Provided is a multilayer-structured discharge container having a simple structure, capable of facilitating the loading of a substance to be contained and a pressurizing agent, and capable of facilitating the ejection of the pressurizing agent after use. A discharge container in which a valve mechanism is provided with a stem having two independent in-stem paths, one in-stem path communicates with an in-holder discharge path, the other in-stem path communicates with an in-holder gas path, a contained substance is discharged by closing the other in-stem path, and the pressurizing agent is ejected by opening the other in-stem path. The discharge container is capable of causing a pressurization chamber and the atmosphere to communicate by removing a push-button from a valve assembly and pressing down a stem of a valve mechanism (switching operation).

A coating composition, the coating composition comprising: a) a first polyvinyl butyral polymer material having a weight-average molecular weight (Mw) of 10,000 to 20,000 Daltons, b) a second polyvinyl butyral polymer material having a weight-average molecular weight (Mw) of 25,000 to 75,000 Daltons and c) an aminoplast resin.

The present invention provides a manually rechargeable and reusable aerosol can system and method for refilling an aerosol can, the system comprising a container, a trigger mechanism, an air compressing mechanism and an interfacing mechanism. In one embodiment, the air compressing mechanism is a vane compressor.

The present invention provides a manually rechargeable and reusable aerosol can system and method for refilling an aerosol can, the system comprising a container, a trigger mechanism, an air compressing mechanism and an interfacing mechanism. In one embodiment, the air compressing mechanism is a vane compressor.